Size Chart

 Size Neck (cm) Breed
XS 18.5-29cm Chihuahua, Pomeranian, Tea Cups, Yorkshire Terrier
S 25.5-36cm Cavoodle, Dachshund, Maltese, Shih Tzu, West Highland Terrier
M 33.5-44cm Beagle, Cocker Spaniel, Corgi, French Bulldog, Pug 
L 43.5-54cm Border Collie, Golden Retriever, Labradoodle, Labrador
XL 58.5-69cm Great Dane, Mastiff, Saint Bernard